Restart your PC, console, or mobile device
Close Fortnite completely and relaunch it
Check your internet connection
Switch to a wired connection if possible
Restart your router and modem
Disable any VPN or proxy
Verify Fortnite game files
Clear the game cache
Update Fortnite to the latest version
Update your device system software
Update your graphics drivers on PC
Run Fortnite as administrator on PC
Disable overlays and background apps
Make sure there is enough storage space
Reinstall Fortnite
Check Fortnite server status
Sign out and sign back into your account
Change DNS settings
Try a different network
Contact Epic Games Support